Tough Si.sub.3 N.sub.4 composite ceramics

Toughened ceramics

Transformation toughened ceramic alloys

Transparent aluminum oxynitride and method of manufacture

Transparent aluminum oxynitride-based ceramic article

Transparent ceramic composite article comprising aluminum oxide

Transparent polycrystalline body with high ultraviolet transmitt

Transparent polycrystalline sintered ceramic of cubic...

Triboceramic compound

Triethynylborazines and production of BN ceramics therefrom

Triple-layered ceramic heater

Two part castable ceramic cement

Two phase HfB.sub.2 -SiB.sub.4 material

Ultra low thermal expansion, highly thermal shock resistant cera

Unfired refractory composition

Unshaped refractories

Unshaped refractories

Unshaped refractory compositions useful as jointing and moulding

Unwrought refractory composition, in particular for...

Use of a finely divided, refractory, oxidic micropowder for prep